The meaning of OPERATION is performance of a practical work or of something involving the practical application of principles or processes. How to use operation in a sentence.

OPERATION meaning: 1. the fact of operating or being active: 2. the way that parts of a machine or system work…. Learn more.

Operation definition: an act or instance, process, or manner of functioning or operating.. See examples of OPERATION used in a sentence.

Definition of operation noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

Operation can refer to medical surgery, a military campaign, or mathematical methods, such as multiplication and division. Operation comes from the Latin word opus (“work”) and can refer to …

An operation is the process of cutting open someone's body in order to repair, replace, or remove a damaged part.

a process of a practical or mechanical nature in some form of work or production: a delicate operation in watchmaking. a course or procedure of productive or industrial activity: building …

An operation must not be confounded with the process by which the operation is effected. Thus, there is but one operation of extracting the cube root of a number, but there are several …

Nov 6, 2025 · operation (countable and uncountable, plural operations) (uncountable) The method by which a device performs its function.

• He began to write down the questions he needed answered in order to put his plan into operation. • The engine is started on petrol, with just enough suction to bring the gasifier into …